1292204664 has 40 divisors (see below), whose sum is σ = 3619371360. Its totient is φ = 430734672.

The previous prime is 1292204647. The next prime is 1292204681. The reversal of 1292204664 is 4664022921.

It is an interprime number because it is at equal distance from previous prime (1292204647) and next prime (1292204681).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 996424 + ... + 997719.

It is an arithmetic number, because the mean of its divisors is an integer number (90484284).

Almost surely, 2^1292204664 is an apocalyptic number.

It is an amenable number.

1292204664 is an abundant number, since it is smaller than the sum of its proper divisors (2327166696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1292204664 is a wasteful number, since it uses less digits than its factorization.

1292204664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994161 (or 1994148 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1292204664 is about 35947.2483508822. The cubic root of 1292204664 is about 1089.2070275525.

The spelling of 1292204664 in words is "one billion, two hundred ninety-two million, two hundred four thousand, six hundred sixty-four".